cpu.c File Reference

Motorola MC68xxx Dependent Source. More...

#include <rtems/score/isr.h>
#include <rtems/score/percpu.h>
#include <rtems/score/tls.h>

Include dependency graph for cpu.c:

Functions
void	_CPU_Initialize (void)
	CPU initialization. More...
uint32_t	_CPU_ISR_Get_level (void)
	Return the current interrupt disable level for this task in the format used by the interrupt level portion of the task mode. More...
void	_CPU_ISR_install_raw_handler (uint32_t vector, proc_ptr new_handler, proc_ptr *old_handler)
	This routine installs a "raw" interrupt handler directly into the processor's vector table. More...
void	_CPU_ISR_install_vector (uint32_t vector, proc_ptr new_handler, proc_ptr *old_handler)
	This routine installs an interrupt vector. More...
void	_CPU_Install_interrupt_stack (void)
	This routine installs the hardware interrupt stack pointer. More...
void	_CPU_Context_save_fp (Context_Control_fp **fp_context_ptr)
	This routine saves the floating point context passed to it. More...
void	_CPU_Context_restore_fp (Context_Control_fp **fp_context_ptr)
	This routine restores the floating point context passed to it. More...
void	_CPU_Context_Initialize (Context_Control *the_context, void *stack_area_begin, size_t stack_area_size, uint32_t new_level, void(*entry_point)(void), bool is_fp, void *tls_area)
	Initializes the CPU context. More...

Variables
const unsigned char	_CPU_m68k_BFFFO_table [256]
Context_Control_fp	_fpCCR

Detailed Description

Motorola MC68xxx Dependent Source.

Variable Documentation

_CPU_m68k_BFFFO_table

const unsigned char _CPU_m68k_BFFFO_table[256]

Initial value:

= {
    8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}